Datasheet | Yl-105

This blog post covers the technical specifications and application of the sensor module

, a common resistive sensor often used for environmental detection in DIY electronics and smart gardening projects. Understanding the YL-105 Sensor Module: Datasheet & Guide

If you are building an automated garden or a weather-tracking station, you’ve likely come across the

. This module is a versatile, low-cost sensor often paired with an LM393 comparator chip to provide both digital and analog outputs. While frequently used as a soil moisture sensor (similar to its sibling, the ), the YL-105 is also found in configurations for rain detection liquid level sensing Technical Specifications

Based on standard hardware data, the YL-105 module typically follows these parameters: Operating Voltage: Output Type: Dual output (Analog and Digital). Analog (A0):

Provides a real-time voltage signal proportional to the detected moisture/liquid level. Digital (D0): Outputs a High or Low signal based on a pre-set threshold. Comparator: for stable digital switching. Adjustability:

Features an onboard potentiometer to calibrate the sensitivity of the digital trigger. Indicator LEDs:

Includes a red power LED and a green digital output status LED. Pinout Configuration

The module generally features a 4-pin interface for easy connection to microcontrollers like Arduino, ESP32, or Raspberry Pi: Power supply ( Digital output (logic Analog output ( cap V cap C cap C Key Performance Characteristics Detection Depth:

For probe-style variants, the effective sensing depth is approximately Sensitivity: yl-105 datasheet

High, but prone to environmental factors. For precise scientific data, experts often suggest upgrading to capacitive sensors or high-end models like the Durability: As a resistive sensor, the probes are susceptible to

over time when exposed to moisture and electric current. To extend life, it is recommended to power the sensor only during readings rather than continuously. Applications Automated Irrigation:

Triggering water pumps when soil moisture drops below a set point. Rain Sensing:

Detecting the onset of rainfall to close windows or retract awnings. Water Level Monitoring: Basic detection of liquid levels in small containers. Quick Start: Arduino Connection To use the YL-105 with an Arduino, connect VCC to , GND to GND, and A0 to an analog pin (e.g., ). You can use the analogRead() function to get a value between (saturated) and (completely dry). code snippet

for Arduino or ESP32 to start reading data from your YL-105 sensor?

Questions about soil moisture sensors (YL-69) - Arduino Forum 22 Sept 2020 —

typically refers to a specific mechanical seal model used in industrial pumping applications. While "YL-105" can occasionally appear in other catalogs (like UV lacquers or capacitors), the primary datasheet information describes it as a reliable component for chemical and sewage pumps. YL-105 Mechanical Seal Overview YL-105 Mechanical Seal

is a single-end, multiple-spring component designed by manufacturers like YALAN Seals. It follows the JB/T1472-94 industrial standard for low-pressure mechanical seals. YALAN Seals Key Technical Specifications Structure: Single end, unbalanced, with multiple springs.

Independent direction of rotation, featuring a drive sleeve transmission. Pressure & Temperature: This blog post covers the technical specifications and

Designed for low-pressure environments and general temperature ranges. Size Range: Available in inner diameters ranging from 35 mm to 180 mm YALAN Seals Primary Applications

The YL-105 is versatile and used across several heavy industries, including oil refining, petrochemical engineering, sewage treatment, and pharmacy. It is most commonly found in: YALAN Seals Centrifugal pumps Screw pumps Paper-making equipment YALAN Seals Other Potential "YL-105" References Depending on your industry, you might also be looking for: UVAFLEX YL-7M105FCM: A very low-odour matt lacquer Zeller + Gmelin , specifically used for food packaging and labels (FCM) SE-K 105°C Capacitors: A range of aluminum electrolytic capacitors

from Yageo, where "105" indicates the maximum operating temperature. Zeller + Gmelin with this part number? UVAFLEX YL-7M105FCM Lacquer ® - Zeller + Gmelin

typically refers to a specialized VCC Adapter Board designed to power the popular wireless transceiver module. Makerlab PH The most critical "solid feature" of this board is its on-board AMS1117-3.3 voltage regulator

. This allows users to safely power the 3.3V-sensitive nRF24L01 module directly from a 5V power source (like an Arduino's 5V pin) without damaging the radio. Instructables Key Specifications & Features Voltage Regulation: Converts a 5V DC input down to a stable Module Compatibility: Designed specifically for the 8-pin nRF24L01+ wireless module. High Power Handling:

Provides a more stable current supply than many microcontroller 3.3V pins, which is essential because nRF24L01 modules are prone to data errors if power is unstable. Dimensions: Approximately 26 x 19 x 12mm Pinout Compatibility:

The socket allows the radio module to plug in directly, while the bottom pins connect to your microcontroller (e.g., Instructables Potential Alternative Meaning

While the adapter board is the most common result for "YL-105" in electronics hobbyist circles, it can also refer to a YL-105 Infrared Motion Sensor Alarm

. This is a standalone wireless security device that detects motion and sounds a loud siren, often used for home or garage security. for the adapter board or details on the motion sensor alarm Troubleshooting Common Issues | Symptom | Likely Fix

Arduino and NRF24L01 : 6 Steps (with Pictures) - Instructables

Please paste the YL-105 datasheet text or a link (or upload the file), and tell me what you want from the review — e.g., accuracy check, summary, key specs extraction, comparison to alternatives, or suggestions for improvements. If you want a quick summary without uploading, say so and I’ll assume standard review points (electrical specs, mechanical, safety, typical application).

The YL-105 datasheet likely refers to a specific model of a lithium-ion battery or a related component, given the naming conventions often used in electronics and battery manufacturing. Without a direct reference to a widely known component, I'll create a hypothetical datasheet feature for a product named "YL-105," assuming it's a lithium-ion battery designed for various portable electronic applications. Here are some features that might be included:

General Information

Model Number: YL-105
Type: Lithium-ion Battery
Application: Portable Electronics, IoT Devices, Wearables, and More

Troubleshooting Common Issues

2. Specifications

Pinout Configuration

Most YL-105 modules come with a 4-pin header:

VCC – Power (3.3V – 5V)
GND – Ground
DO – Digital Output (HIGH/LOW based on threshold)
AO – Analog Output (Direct voltage from phototransistor)

Note: Some budget clones swap the pin order. Always check the back of your PCB for labels.

Key Specifications (Derived from TCRT5000 & LM393 Datasheet)

Since no official YL-105 datasheet exists, here are the actual technical specs you need for circuit design and coding.

Step 4: If you have the physical module

If you can describe or upload a picture (though I can't see it), or answer these questions, I can give you a specific pinout and application note:

What is printed on the main IC? (e.g., LM393, 555, blank)
What sensors are on the board? (e.g., a black phototransistor, a glass thermistor, a potentiometer)
How many pins does the module have? (e.g., 3 pins: VCC, GND, OUT; or 4 pins with analog/digital)